包括流水灯，时钟，计时器，简易的用4x4键盘控制的单片机汇编语言计算器 -

LCD_RS EQU P2.0 ;1602控制
LCD_RW EQU P2.1 ;......
LCD_E EQU P2.2 ;脉冲
LCD_D7 EQU P0.7 ;
LCD_DATA EQU P0 ;1602数据口
LCD_JISHU EQU 20H ;1602写数据计数
LCD_CAIDAN EQU 21H ;1602菜单编号
LCD_CAIDAN_YE EQU 22H ;1602页编号
KEY_UP EQU P2.3 ;上键
KEY_DOWN EQU P2.4 ;下键
KEY_OK EQU P2.5 ;确认键
KEY_EXIT EQU P2.6 ;退出键
LCD_BEI EQU P2.7 ;1602背光
EXIT_BIAOZHI EQU 23H.0 ;计时器，中按退出会置一标志位
OK_BIAOZHI EQU 23H.1
UP_BIAOZHI EQU 23H.2
DOWN_BIAOZHI EQU 23H.3
DINGSHI_JISHU EQU 24H ;用定时器延时计数
LED EQU P1 ;
;数码管595 ;
MINGXIANG EQU P3.3
HC595_DATA EQU P3.4 ;数码管数据，移位输出，，，复用hc164数据口
HC595_SLCP EQU P3.5 ;读入数据端
HC595_SHCP EQU P3.6 ;刷新显示端，、、复用hc164的clk
HC595_SHI EQU 25H ;时钟的时分秒
HC595_FEN EQU 26H ;
HC595_MIAO EQU 27H ;
;矩阵键盘.......
JIANPAN1 EQU P3.0
JIANPAN2 EQU P3.1
HC164_DATA EQU P3.4
HC164_CLK EQU P3.7
JIANSHUXU EQU 28H ;矩阵键盘按下的顺序，
JISUANQI_DATA1 EQU 29H ;
JISUANQI_YUNSUAN EQU 2AH ;
JISUANQI_DATA2 EQU 2BH ;
JISUANQI_JIEGUO1 EQU 2CH ;
JISUANQI_JIEGUO2 EQU 2DH ;
ANJIAN_CHANGAN EQU 2FH
OKCHANGAN_BIAOZHI EQU 23H.4 ;
HONGWAIZ_ EQU P3.2
HONGWAIZ_MA EQU 30H
LEDYANSHI_JISHU EQU 31H
ORG 0000H
AJMP MAIN
ORG 03H
LJMP WAIBU0
ORG 0BH
LJMP T0DINGSHI
ORG 001BH
LJMP T1DINGSHI;定时器中断
ORG 0030H
MAIN:
LCALL SHUMA_JIANCE
LCALL SHUMA_QINGLING
MOV HONGWAIZ_MA,#00H
CLR LCD_BEI
LCALL LCD_XIANSHI ;1602初始化，欢迎界面
SETB PT0 ;把定时器t1设置为高优先级
MOV TMOD,#11H ;T1为工作方式一
MOV IE,#8BH ;允许T1中断,T0,外部中断0
MOV TH1,#0D8H ;放入数据
MOV TL1,#0F0H
MOV TH0,#0DBH
MOV TL0,#0F0H
SETB TR1 ;启动T1定时器
LOOP0:
LCALL ANJIAN_RENYI ;按键判断
SJMP LOOP0
SJMP $
WAIBU0:
CLR EA
PUSH 01H
PUSH 02H
PUSH 03H
PUSH 04H
PUSH ACC
MOV A,HONGWAIZ_MA
CJNE A,#0,WAIBU0_JIESHU
;MOV ANJIAN_CHANGAN,#10
WAIBU0_LOOP8:
MOV R3,#10
WAIBU0_LOOP7:
LCALL DELAY840US
JB HONGWAIZ_,WAIBU0_JIESHU
DJNZ R3,WAIBU0_LOOP7
WAIBU0_LOOP13:
;MOV R1,ANJIAN_CHANGAN
;CJNE R1,#00H,WAIBU0_LOOP9
;WAIBU0_JIESHU_1:
;LJMP WAIBU0_JIESHU
WAIBU0_LOOP9:
JNB HONGWAIZ_,WAIBU0_LOOP13
LCALL DELAY4MS750US
MOV R4,#8H
MOV R3,#4H
WAIBU0_LOOP1:
;MOV R1,ANJIAN_CHANGAN
;CJNE R1,#00H,WAIBU0_LOOP10
;LJMP WAIBU0_JIESHU
WAIBU0_LOOP10:
JNB HONGWAIZ_,WAIBU0_LOOP1
LCALL DELAY840US
JB HONGWAIZ_,WAIBU0_LOOP0
CLR ACC.0
RLC A
DJNZ R4,WAIBU0_LOOP1
LJMP WAIBU0_LOOP2
WAIBU0_LOOP0:
SETB ACC.0
RLC A
WAIBU0_LOOP11:
;MOV R1,ANJIAN_CHANGAN
;CJNE R1,#00H,WAIBU0_LOOP12
;LJMP WAIBU0_JIESHU
WAIBU0_LOOP12:
JB HONGWAIZ_,WAIBU0_LOOP11
DJNZ R4,WAIBU0_LOOP1
WAIBU0_LOOP2:
RRC A
CJNE R3,#04H,WAIBU0_LOOP3
CJNE A,#00H,WAIBU0_JIESHU
LJMP WAIBU0_LOOP6
WAIBU0_LOOP3:
CJNE R3,#03H,WAIBU0_LOOP4
CJNE A,#0FFH,WAIBU0_JIESHU
LJMP WAIBU0_LOOP6
WAIBU0_LOOP4:
CJNE R3,#02H,WAIBU0_LOOP5
MOV R2,A
LJMP WAIBU0_LOOP6
WAIBU0_LOOP5:
CJNE R3,#01H,WAIBU0_LOOP6
ADD A,R2
CJNE A,#0FFH,WAIBU0_JIESHU
CJNE R2,#30H,WAIBU0_HONGWAI_J2
MOV HONGWAIZ_MA,#01H
WAIBU0_HONGWAI_J2:
CJNE R2,#18H,WAIBU0_HONGWAI_J3
MOV HONGWAIZ_MA,#02H
WAIBU0_HONGWAI_J3:
CJNE R2,#7AH,WAIBU0_HONGWAI_J4
MOV HONGWAIZ_MA,#03H
WAIBU0_HONGWAI_J4:
CJNE R2,#10H,WAIBU0_JIESHU
MOV HONGWAIZ_MA,#04H
LJMP WAIBU0_JIESHU
WAIBU0_LOOP6:
MOV R4,#08H
DJNZ R3,WAIBU0_LOOP1
LJMP WAIBU0_JIESHU
WAIBU0_JIESHU:
POP ACC
POP 04H
POP 03H
……………………
…………限于本文篇幅余下代码请从51黑下载附件…………

复制代码